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index.html
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<!DOCTYPE html>
<html lang="en-us">
<head>
<title>Practice</title>
<link href="stylesheet.css" type="text/css" rel="stylesheet">
</head>
<body style="font-size: 30px;">
<div id="equationbox2">
<p style="display: inline;" id="equation1">0</p>
<p style="display: inline;" id="equation2">+</p>
<p style="display: inline;" id="equation3">0</p>
<p style="display: inline;" id="equation4">+</p>
<p style="display: inline;" id="equation5">0</p>
<p style="display: inline;" id="equation6">=</p>
</div>
<div id="answerbox2" style="text-align: center;">
<p>Answer:</p>
<input size="10" style="height: 30px; font-size: 30px;" type="text" id="inputbox"><br><br>
</div>
<div id="timeDisplay">
<p id="time">0</p>
</div>
<button onclick="sumbitAnswer()" id="button2" style="font-size: 30px; height: 40px;">Start</button>
<button onclick="document.location='test.html'" id="begin" style="font-size: 30px; height: 40px; visibility: hidden;">Begin Test</button>
<script>
var round = 0;
var no1 = 0;
var no2 = 0;
var no3 = 0;
var delay1;
var delay2;
var delay3;
var delay4;
var delay5;
var delay6;
function sumbitAnswer()
{
clearTimeouts();
document.getElementById("button2").innerHTML="Submit";
if(inputbox.value == "")
{
if(round>0)
{
return;
}
}
if(round>=10)
{
inputbox.value = null;
document.getElementById("begin").style.visibility = "visible";
document.getElementById("button2").style.visibility = "hidden";
return;
}
nextEquation();
inputbox.value = null;
timer();
round++;
}
function nextEquation()
{
no1 = Math.floor(Math.random()*(900-100+1)+100);
no2 = Math.floor(Math.random()*(700-100+1)+100);
var sum = no1+no2;
var no3max = 1900-(sum);
var no3min = 1100-(sum);
if(no3min<100){no3min=100;}
no3 = Math.floor(Math.random()*(no3max-no3min+1)+no3min);
document.getElementById("equation1").innerHTML=no1;
document.getElementById("equation3").innerHTML=no2;
document.getElementById("equation5").innerHTML=no3;
}
function hideEquation()
{
document.getElementById("equation1").style.visibility = "hidden";
document.getElementById("equation2").style.visibility = "hidden";
document.getElementById("equation3").style.visibility = "hidden";
document.getElementById("equation4").style.visibility = "hidden";
document.getElementById("equation5").style.visibility = "hidden";
document.getElementById("equation6").style.visibility = "hidden";
}
function showEquation()
{
document.getElementById("equation1").style.visibility = "visible";
document.getElementById("equation2").style.visibility = "visible";
document.getElementById("equation3").style.visibility = "visible";
document.getElementById("equation4").style.visibility = "visible";
document.getElementById("equation5").style.visibility = "visible";
document.getElementById("equation6").style.visibility = "visible";
}
function displayTime(timeleft)
{
document.getElementById("time").innerHTML=timeleft;
}
function clearTimeouts()
{
clearTimeout(delay1);
clearTimeout(delay2);
clearTimeout(delay3);
clearTimeout(delay4);
clearTimeout(delay5);
clearTimeout(delay6);
}
function timer()
{
showEquation();
delay1 = setTimeout(function(){ displayTime(4); }, 0000);
delay2 = setTimeout(function(){ displayTime(3); }, 1000);
delay3 = setTimeout(function(){ displayTime(2); }, 2000);
delay4 = setTimeout(function(){ displayTime(1); }, 3000);
delay5 = setTimeout(function(){ displayTime(0); }, 4000);
delay6 = setTimeout(function(){ hideEquation(); }, 4000);
// function delay(time) {return new Promise(resolve => setTimeout(resolve, time));}
// delay(0000).then(() => displayTime(4));
// function delay(time) {return new Promise(resolve => setTimeout(resolve, time));}
// delay(1000).then(() => displayTime(3));
// function delay(time) {return new Promise(resolve => setTimeout(resolve, time));}
// delay(2000).then(() => displayTime(2));
// function delay(time) {return new Promise(resolve => setTimeout(resolve, time));}
// delay(3000).then(() => displayTime(1));
// function delay(time) {return new Promise(resolve => setTimeout(resolve, time));}
// delay(4000).then(() => displayTime(0));
// function delay(time) {return new Promise(resolve => setTimeout(resolve, time));}
// delay(4000).then(() => hideEquation());
}
</script>
</body>
</html>